C-13-Q029mediumsingle_mcq

The $n$ -th term of an arithmetic series with first term $a$ and common difference $d$ is —

a $a + nd$
b $a + (n - 1)d$
c $ar^{n-1}$
d $a - (n - 1)d$

ব্যাখ্যা

Starting from $a$ , reaching the $n$ -th term requires adding $d$ a total of $(n-1)$ times, giving $a_n = a + (n-1)d$ . The form $ar^{n-1}$ belongs to a geometric series instead.

এই অধ্যায়ের আরও প্রশ্ন

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Finite Series — সব প্রশ্ন দেখুন (160টি) →

The $n$ -th term of an arithmetic series with first term $a$ and common difference $d$ is —

a + nd

a + (n - 1)d

ar^{n-1}

a - (n - 1)d

ব্যাখ্যা

Starting from $a$ , reaching the $n$ -th term requires adding $d$ a total of $(n-1)$ times, giving $a_n = a + (n-1)d$ . The form $ar^{n-1}$ belongs to a geometric series instead.

The nnn-th term of an arithmetic series with first term aaa and common difference ddd is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The nnn-th term of an arithmetic series with first term aaa and common difference ddd is —

ব্যাখ্যা

এই অধ্যায়ের আরও প্রশ্ন

The $n$ -th term of an arithmetic series with first term $a$ and common difference $d$ is —

The $n$ -th term of an arithmetic series with first term $a$ and common difference $d$ is —